Pit your wits against this bumper collection of over 400 sudoku puzzles from The Telegraph!

With hundreds of grids across a wide range of difficulties, from gentle to extreme, this is the ultimate companion for beginners and expert puzzlers alike.

"Bought as a present for my partner. She loves them and thinks the Telegraph ones are the best." - Amazon

"I love suduko, and the Telegraph ones fit my style perfectly. This book will keep me occupied for weeks... super-duper!!" - Amazon

"Great companion." - Amazon